TY - JOUR
T1 - Mode Engineering in Linear Coherently Coupled Vertical-Cavity Surface-Emitting Laser Arrays
AU - Thompson, Bradley J.
AU - Gao, Zihe
AU - Fryslie, Stewart T.M.
AU - Choquette, Kent D.
N1 - Manuscript received February 1, 2019; revised October 20, 2019; accepted October 21, 2019. Date of publication October 31, 2019; date of current version December 3, 2019. This was supported by the Nation Science Foundation under Award ECCS 15-09845. (Corresponding author: Bradley J. Thompson.) B. J. Thompson and K. D. Choquette are with the Department of Electrical and Computer Engineering, University of Illinois at Urbana-Champaign, Urbana, IL 61801 USA (e-mail: [email protected]; [email protected]).
This was supported by the Nation Science Foundation under Award ECCS 15-09845.
PY - 2019/11/1
Y1 - 2019/11/1
N2 - The supermode tuning of coherent 3 × 1 vertical-cavity surface-emitting laser arrays are characterized and simulated. The array elements are resonantly tuned to achieve coherent operation using selective current injection. Depending on the electrical bias, multiple coherent supermodes are observed above threshold. An effective index model is developed to account for the variable current injection and to simulate the supermodes of the linear array. Agreement between experimental near-field and far-field coherent modes and our model simulations are found both at and above lasing threshold.
AB - The supermode tuning of coherent 3 × 1 vertical-cavity surface-emitting laser arrays are characterized and simulated. The array elements are resonantly tuned to achieve coherent operation using selective current injection. Depending on the electrical bias, multiple coherent supermodes are observed above threshold. An effective index model is developed to account for the variable current injection and to simulate the supermodes of the linear array. Agreement between experimental near-field and far-field coherent modes and our model simulations are found both at and above lasing threshold.
KW - Laser modes
KW - phased arrays
KW - semiconductor laser arrays
KW - vertical cavity surface emitting lasers (VCSELs)
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U2 - 10.1109/JSTQE.2019.2950799
DO - 10.1109/JSTQE.2019.2950799
M3 - Article
AN - SCOPUS:85077957882
SN - 1077-260X
VL - 25
JO - IEEE Journal of Selected Topics in Quantum Electronics
JF - IEEE Journal of Selected Topics in Quantum Electronics
IS - 6
M1 - 8889386
ER -